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Kazuhiko Itoh

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drive circuit, illumination source, and lighting device
    • Patent number 9,622,312
    • Issue date Apr 11, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Akira Takahashi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Driving circuit, illumination light source, and illumination device
    • Patent number 9,603,207
    • Issue date Mar 21, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Kazuhiko Itoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC power supply circuit
    • Patent number 9,515,547
    • Issue date Dec 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masanobu Murakami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC power supply circuit
    • Patent number 9,257,901
    • Issue date Feb 9, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Kazushige Sugita
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power supply circuit
    • Patent number 9,225,257
    • Issue date Dec 29, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Kazuhiko Itoh
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Illumination light source and lighting apparatus
    • Patent number 9,137,860
    • Issue date Sep 15, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroshi Fujita
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drive circuit, illumination light source, and lighting apparatus
    • Patent number 9,095,025
    • Issue date Jul 28, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroshi Fujita
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    DC power supply circuit
    • Patent number 9,093,893
    • Issue date Jul 28, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Masanobu Murakami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lighting source and lighting apparatus
    • Patent number 9,072,140
    • Issue date Jun 30, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Akira Takahashi
    • F21 - LIGHTING
  • Information Patent Grant

    Light source device
    • Patent number 8,523,411
    • Issue date Sep 3, 2013
    • Panasonic Corporation
    • Shinya Kawagoe
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    DRIVE CIRCUIT, ILLUMINATION SOURCE, AND LIGHTING DEVICE
    • Publication number 20160286617
    • Publication date Sep 29, 2016
    • Panasonic Intellectual Property Management Co., Ltd.
    • Akira TAKAHASHI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRIVING CIRCUIT, ILLUMINATION LIGHT SOURCE, AND ILLUMINATION DEVICE
    • Publication number 20150366014
    • Publication date Dec 17, 2015
    • Kazuhiko ITOH
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DC POWER SUPPLY CIRCUIT
    • Publication number 20150357910
    • Publication date Dec 10, 2015
    • Masanobu MURAKAMI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER SUPPLY CIRCUIT
    • Publication number 20150303823
    • Publication date Oct 22, 2015
    • PANASONIC CORPORATION
    • Kazuhiko Itoh
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC POWER SUPPLY CIRCUIT
    • Publication number 20150036401
    • Publication date Feb 5, 2015
    • PANASONIC CORPORATION
    • Masanobu Murakami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC POWER SUPPLY CIRCUIT
    • Publication number 20150009728
    • Publication date Jan 8, 2015
    • PANASONIC CORPORATION
    • Kazushige Sugita
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ILLUMINATION LIGHT SOURCE AND LIGHTING APPARATUS
    • Publication number 20140252946
    • Publication date Sep 11, 2014
    • PANASONIC CORPORATION
    • Hiroshi FUJITA
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING SOURCE AND LIGHTING APPARATUS
    • Publication number 20140232277
    • Publication date Aug 21, 2014
    • PANASONIC CORPORATION
    • Akira TAKAHASHI
    • F21 - LIGHTING
  • Information Patent Application

    DRIVE CIRCUIT, ILLUMINATION LIGHT SOURCE, AND LIGHTING APPARATUS
    • Publication number 20140217897
    • Publication date Aug 7, 2014
    • PANASONIC CORPORATION
    • Hiroshi FUJITA
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LIGHT SOURCE APPARATUS
    • Publication number 20120243240
    • Publication date Sep 27, 2012
    • Naotaka Hashimoto
    • F21 - LIGHTING
  • Information Patent Application

    LAMP AND LIGHTING APPARATUS
    • Publication number 20120187836
    • Publication date Jul 26, 2012
    • Naotaka Hashimoto
    • F21 - LIGHTING